Ensure `while` statements don't end with semicolons.
Ensure `while` statements don't end with semicolons.

alangpierce/decaffeinate,decaffeinate/decaffeinate,eventualbuddha/decaffeinate,decaffeinate/decaffeinate,eventualbuddha/decaffeinate,alangpierce/decaffeinate,alangpierce/decaffeinate